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17-08-2015, 10:52
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#1
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Registered User
Join Date: May 2014
Location: Annapolis, MD
Boat: 1983 Hunter 27'
Posts: 17
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Genoa leech flapping very loudly
Hi all, quick question. I have a Hunter 27' with a 145 Genoa. Whenever we're close-hauled, the leech starts flapping pretty loudly. Even when sail trim looks fine from the tell tales, it still seems to be happening. I tried changing the block position on the toe rail to change the angle but it didn't seem to change things too much. Is there something else I can try that I haven't thought of?
I imagine it's a problem with me and not the sail. I attached a video of it happening.
Thanks for any ideas.
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17-08-2015, 11:15
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#2
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Registered User
Join Date: Oct 2007
Location: Winters cruising; summers Chesapeake Bay
Boat: Catana 471
Posts: 1,239
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Re: Genoa leech flapping very loudly
Does it have a leech line? Tighten it.
Dave
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17-08-2015, 11:18
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#3
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Registered User
Join Date: Oct 2010
Location: Wandering the US Gulf Coast
Boat: 78 Pearson323 Four Winds
Posts: 2,212
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Re: Genoa leech flapping very loudly
Do you have a leech line in your genny?
Mine frayed at the cleat and now have this problem as well.
__________________
Life begins at the waters edge.
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17-08-2015, 11:23
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#4
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Registered User
Join Date: May 2014
Location: Annapolis, MD
Boat: 1983 Hunter 27'
Posts: 17
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Re: Genoa leech flapping very loudly
New to boating and the boat, didn't even know the leech line was a thing, I'll check it out next time we're there.
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17-08-2015, 11:32
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#5
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Registered User
Join Date: Oct 2010
Location: Wandering the US Gulf Coast
Boat: 78 Pearson323 Four Winds
Posts: 2,212
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Re: Genoa leech flapping very loudly
Look for a small jam cleat on the leech down near the clew where your sheets attach.
Tighten up as 2hulls said.
I do it while sailing, just enough to stop the flapping. Mine was set and forget, until it parted from stress I guess.
__________________
Life begins at the waters edge.
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17-08-2015, 12:54
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#6
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Moderator
Join Date: Nov 2011
Location: aboard, cruising in Australia
Boat: Sayer 46' Solent rig sloop
Posts: 28,438
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Re: Genoa leech flapping very loudly
Actually, it's meant to be adjustable.
There was another thread on this subject last week. As mentioned above, you should be able to get rid of leech flutter with the leech line, unless the sail has already trashed itself.
Ann
__________________
Who scorns the calm has forgotten the storm.
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17-08-2015, 13:16
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#7
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Long Range Cruiser
Join Date: Dec 2007
Location: Australian living on "Sea Life" currently in England.
Boat: Beneteau 393 "Sea Life"
Posts: 12,822
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Re: Genoa leech flapping very loudly
Don't over tighten it. Just enough to get most of the flap out. Otherwise you can rip the line out when furling.
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17-08-2015, 15:21
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#8
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Registered User
Join Date: Oct 2010
Location: Wandering the US Gulf Coast
Boat: 78 Pearson323 Four Winds
Posts: 2,212
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Re: Genoa leech flapping very loudly
Quote:
Originally Posted by MarkJ
Don't over tighten it. Just enough to get most of the flap out. Otherwise you can rip the line out when furling.
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That's probably what happened to mine.
Maybe slacked to furl? And adjust each time the sail is unfurled and set?
__________________
Life begins at the waters edge.
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17-08-2015, 17:33
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#9
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Moderator
Join Date: Nov 2011
Location: aboard, cruising in Australia
Boat: Sayer 46' Solent rig sloop
Posts: 28,438
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Re: Genoa leech flapping very loudly
Quote:
Originally Posted by four winds
That's probably what happened to mine.
Maybe slacked to furl? And adjust each time the sail is unfurled and set?
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Yes, and only just tight enough to quiet the leech, not put a "hook" in it.
Ann
__________________
Who scorns the calm has forgotten the storm.
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17-08-2015, 18:15
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#10
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Registered User
Join Date: Aug 2009
Location: between the devil and the deep blue sea
Boat: a sailing boat
Posts: 20,420
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Re: Genoa leech flapping very loudly
Quote:
Originally Posted by MarkJ
Don't over tighten it. Just enough to get most of the flap out. Otherwise you can rip the line out when furling.
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+1!
Exactly.
b.
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18-08-2015, 08:21
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#11
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Registered User
Join Date: Jun 2008
Location: Faro - Algarve - Portugal
Boat: Beneteau, Oceanis Clipper 311, 31''
Posts: 25
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Re: Genoa leech flapping very loudly
Hi.
Don't forget to ease it before furling the sail at the end of the day. It will help the sail to last long with a good shape.
Best Whishes.
Jorge
Faro-Portugal
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18-08-2015, 08:35
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#12
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Registered User
Join Date: Mar 2015
Posts: 18
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Re: Genoa leech flapping very loudly
Tighten your luffline and try moving the genoa car foreward and backwards until the clew makes a 45 degree angle with the sheet.. Your sheet should also be tight enough when beating.
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18-08-2015, 08:41
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#13
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Registered User
Join Date: Mar 2015
Posts: 18
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Re: Genoa leech flapping very loudly
Sorry, tighten your leechline. Plus the rest as mentioned.
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18-08-2015, 13:55
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#14
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Registered User
Join Date: Aug 2012
Posts: 811
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Re: Genoa leech flapping very loudly
Leach line as others say. Also you can experiment with the fore and aft adjustment of the clew angle on the Genoa track. You should have several sets of tell tails along the length of the luff. Ideally they should all be streaming and then the whole sail is working properly.
Make big changes to the position and see what happens then fine tune it. That may also take away the flapping.
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02-09-2015, 18:23
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#15
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Registered User
Join Date: May 2014
Location: Annapolis, MD
Boat: 1983 Hunter 27'
Posts: 17
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Re: Genoa leech flapping very loudly
Thanks everyone. It was the leech line as mentioned. Tightened and everything was good.
Sent from my iPhone using Cruisers Sailing Forum
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